Results for “opal 18k”

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ANTIQUE ART DECO PLATINUM & 18K YELLOW GOLD AUSTRALIAN FIRE OPAL PIN BROOCH: ANTIQUE ART DECO PLATINUM & 18K YELLOW GOLD AUSTRALIAN FIRE OPAL PIN BROOCH Antique Art Deco Platinum & 18k Yellow Gold Australian Fire Opal Pin Brooch Size: Over 1 1/4" Wide by 1 1/8" Tall Weight is

May 31, 2026

ANTIQUE ART DECO PLATINUM & 18K YELLOW GOLD AUSTRALIAN FIRE OPAL PIN BROOCH

Est. US$4,581-US$5,120

Vintage 18k Yellow Gold Opal Diamond Bombe Cocktail Ring 1.40ctw: Vintage 18k Yellow Gold Opal Diamond Bombe Cocktail Ring 1.40ctw This exquisite vintage bombe cocktail ring showcases a stunning combination of 18k yellow gold, opal, and diamonds, making it a perfect

4 days Left

Vintage 18k Yellow Gold Opal Diamond Bombe Cocktail Ring 1.40ctw

Est. US$6,441-US$7,246

Ikuno Kanazawa AK Collection Dragonfly Opal Multistone Diamond 18k Gold Brooch: Ikuno Kanazawa AK Collection Dragonfly Opal Multistone Diamond 18k Gold Brooch Item Specifics: Shape: Dragonfly Main Stone Creation: Natural Occasion: Anniversary Birthday Christening Christmas Confir

May 28, 2026

Ikuno Kanazawa AK Collection Dragonfly Opal Multistone Diamond 18k Gold Brooch

Est. US$3,775-US$4,550

DIAMOND GOLD EARRINGS MEXICAN OPAL 2.70CT 18K WHITE POST CLIP: DIAMOND GOLD EARRINGS MEXICAN OPAL 2.70CT 18K WHITE POST CLIP These adorable huggie earrings are crafted from 18k white gold featuring a small triangle shape with a stunning trillion cut Mexican orang

Jun 10, 2026

DIAMOND GOLD EARRINGS MEXICAN OPAL 2.70CT 18K WHITE POST CLIP

Est. US$7,910-US$8,841

Tiffany & Co. Vintage 18k Gold Opal Mother of Pearl Pansy Clip-On Earrings: Tiffany & Co. Vintage 18k Gold Opal Mother of Pearl Pansy Clip-On Earrings These exquisite vintage clip-on earrings from Tiffany & Co. feature a beautiful inlaid design showcasing natural opals and mo

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Tiffany & Co. Vintage 18k Gold Opal Mother of Pearl Pansy Clip-On Earrings

18K Yellow Gold Black Opal Pendant/Brooch: Convertible design; 18K Yellow Gold; Features a magnificent natural Black Opal center with high-flash play-of-color.

May 28, 2026

18K Yellow Gold Black Opal Pendant/Brooch

Est. US$5,100-US$1,000,000

Antique 18K White Gold 0.80ct Diamond and Opal French Brooch: A sleek, sophisticated design makes this antique French brooch incredibly impressive. The 3.0 carat blue Moonstone at the center is instantly captivating, while Diamond accents totaling 0.80 carats ad

2 days Left

Antique 18K White Gold 0.80ct Diamond and Opal French Brooch

Eastern European Art Gallery Inc

Est. US$2,700-US$2,900

18K Yellow Gold 1.60ct Diamond and Opal Ring: This exquisitely crafted ring is endlessly captivating. At the center, a stunning 15.0 carat Opal adds a stylish pop of color. Round-cut Diamonds with a total weight of 1.60 carats surround the center

2 days Left

18K Yellow Gold 1.60ct Diamond and Opal Ring

Eastern European Art Gallery Inc

Est. US$3,500-US$4,000

HAMMERMAN BROTHERS GOLD OPAL BROOCH BUTTERFLY DIAMOND 18K YELLOW: HAMMERMAN BROTHERS GOLD OPAL BROOCH BUTTERFLY DIAMOND 18K YELLOW HAMMERMAN BROTHERS GOLD OPAL BROOCH BUTTERFLY DIAMOND 18K YELLOW This adorable brooch is by designer Hammerman Brothers, it features a

Jun 14, 2026

HAMMERMAN BROTHERS GOLD OPAL BROOCH BUTTERFLY DIAMOND 18K YELLOW

Est. US$6,715-US$7,505

18K Yellow Gold 48.36 Ct. Opal & Diamond Ring: 18K Yellow Gold; featuring a massive 48.36 Ct. Opal and Diamonds.

May 29, 2026

18K Yellow Gold 48.36 Ct. Opal & Diamond Ring

Est. US$8,800-US$10,000

OPAL GOLD BUTTERFLY BROOCH DIAMOND 18K YELLOW VINTAGE: OPAL GOLD BUTTERFLY BROOCH DIAMOND 18K YELLOW VINTAGE OPAL GOLD BUTTERFLY BROOCH DIAMOND 18K YELLOW VINTAGE This adorable butterfly gold brooch features a stunning design with the marquise cut opals s

Jun 14, 2026

OPAL GOLD BUTTERFLY BROOCH DIAMOND 18K YELLOW VINTAGE

Est. US$6,942-US$7,758

Angela Cummings 18K Yellow Gold Fire Opal Black Jade Earrings 1986: Angela Cummings 18K Yellow Gold Fire Opal Black Jade Earrings 1986 These exquisite earrings by Angela Cummings feature a stunning combination of fire opal and black jade, set in luxurious 18K yellow g

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Angela Cummings 18K Yellow Gold Fire Opal Black Jade Earrings 1986

KARIN TREMONTI ETRUSCAN 18K YELLOW GOLD AUSTRALIAN BLACK OPAL & DIAMOND RING: KARIN TREMONTI ETRUSCAN 18K YELLOW GOLD AUSTRALIAN BLACK OPAL & DIAMOND RING Designer Karin Tremonti Etruscan 18k Yellow Gold Australian Black Opal & Diamond Ring Ring Size 11- Can Be Resized Weight i

May 31, 2026

KARIN TREMONTI ETRUSCAN 18K YELLOW GOLD AUSTRALIAN BLACK OPAL & DIAMOND RING

Est. US$6,791-US$7,590

Antique 18K Rose Gold 0.70ct Diamond and Opal Cocktail Ring: A rare find. This antique cocktail ring carries the presence of a well-preserved heirloom. It features an 18.0 carat oval white opal, in cabochon cut, resting on a softly ridged bezel that underscores

2 days Left

Antique 18K Rose Gold 0.70ct Diamond and Opal Cocktail Ring

Eastern European Art Gallery Inc

Est. US$3,500-US$4,000

Rare! Chopard 18k Rose Gold Happy Hearts Diamond Pink Opal Bracelet: Rare Chopard Happy Hearts bracelet crafted in 18k rose gold, featuring a large pink opal heart paired with a smaller heart enclosing a floating diamond. Feminine, modern, and charming, it captures Cho

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Rare! Chopard 18k Rose Gold Happy Hearts Diamond Pink Opal Bracelet

Chairish Auctions

Victorian 18k Gold Fancy Bracelet with 18.00ct Diamonds and Fire Opals: Victorian 18k Gold Fancy Bracelet with 18.00ct Diamonds and Fire Opals This exquisite vintage bracelet showcases a stunning design crafted from 18k yellow gold. It features a triple row arrangement wi

5 days Left

Victorian 18k Gold Fancy Bracelet with 18.00ct Diamonds and Fire Opals

Est. US$16,264-US$18,297

Authentic! Van Cleef & Arpels Alhambra 18k White Gold Pink Opal Necklace Cert.: Authentic! Van Cleef & Arpels Alhambra 18k White Gold Pink Opal Necklace Cert. About This Piece: The Van Cleef & Arpels Alhambra 18k White Gold Pink Opal Pendant Necklace is a masterpiece of refined e

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Authentic! Van Cleef & Arpels Alhambra 18k White Gold Pink Opal Necklace Cert.

Chairish Auctions

18K Yellow Gold Large Butterfly Brooch with Diamonds, Opals and Ruby Eyes Signed Art Deco: 18K Yellow Gold Butterfly Very Large Brooch with Diamonds, Opals and Ruby Eyes A finely crafted butterfly brooch in 18K yellow gold, featuring opal-inlaid wings accented with rubies for the eyes. The

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18K Yellow Gold Large Butterfly Brooch with Diamonds, Opals and Ruby Eyes Signed Art Deco

Eastern European Art Gallery Inc

ESTATE MEXICAN OPAL 18K ROSE GOLD TRILLION & OVAL STONE RING: ESTATE MEXICAN OPAL 18K ROSE GOLD TRILLION & OVAL STONE RING This is a new and very pretty rose gold and natural Mexican opals ladies ring. It is exquisitely crafted in 18k rose gold with a smooth hig

Jun 10, 2026

ESTATE MEXICAN OPAL 18K ROSE GOLD TRILLION & OVAL STONE RING

Est. US$6,614-US$7,393

Opal and Diamond Ring in 18K Yellow Gold with 48.36 Carat Center Stone: Opal and Diamond Ring in 18K Yellow Gold with 48.36 Carat Center Stone This ring features a 48.36 carat opal set in 18K yellow gold, accented by 36 diamonds with a total weight of approximately 1.40 c

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Opal and Diamond Ring in 18K Yellow Gold with 48.36 Carat Center Stone

DIAMOND OPAL GOLD RING VINTAGE 18K YELLOW LARGE DOME SHAPE: DIAMOND OPAL GOLD RING VINTAGE 18K YELLOW LARGE DOME SHAPE DIAMOND OPAL GOLD RING VINTAGE 18K YELLOW LARGE DOME SHAPE This vintage 18k yellow gold ring features a large oval-shaped dome top with white

Jun 14, 2026

DIAMOND OPAL GOLD RING VINTAGE 18K YELLOW LARGE DOME SHAPE

Est. US$10,019-US$11,197

18K Yellow Gold Black Opal Pendant/Brooch: 18K Yellow Gold; Black Opal (Dual-use piece).

May 29, 2026

18K Yellow Gold Black Opal Pendant/Brooch

Est. US$3,600-US$100,000

18K Yellow Gold 3.50ct Diamond, Opal, Emerald and Sapphire Flower Brooch: The beauty of this brooch unfolds slowly, offering more with every look. The flower silhouette is drawn in white gold, traced with diamonds, setting a crisp outline around softly curved opal petals. E

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18K Yellow Gold 3.50ct Diamond, Opal, Emerald and Sapphire Flower Brooch

Eastern European Art Gallery Inc

Black Opal 18K Yellow Gold Convertible Pendant and Brooch 2 Inch 25 Ct: Black Opal 18K Yellow Gold Convertible Pendant and Brooch 2 Inch 25 Ct This is a pre-owned pendant and brooch crafted from 18K yellow gold, featuring an approximately 25.00 carat black opal. The piece

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Black Opal 18K Yellow Gold Convertible Pendant and Brooch 2 Inch 25 Ct

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